CreateQuery data_distributed (children 3)
 Identifier data_distributed
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration a (children 1)
    DataType Int64
   ColumnDeclaration b (children 1)
    DataType Int64
 Storage definition (children 1)
  Function Distributed (children 1)
   ExpressionList (children 3)
    Identifier test_shard_localhost
    Function currentDatabase (children 1)
     ExpressionList
    Literal \'data\'
